PHP Software Developing » metatags http://www.phpdeveloping.co.za for the love of PHP Development Tue, 29 Sep 2009 15:38:14 +0000 http://wordpress.org/?v=2.8.2 en hourly 1 Get Metatags of a Website http://www.phpdeveloping.co.za/seo/get-metatags-of-a-website.html http://www.phpdeveloping.co.za/seo/get-metatags-of-a-website.html#comments Fri, 24 Jul 2009 06:47:19 +0000 chris http://www.phpdeveloping.co.za/?p=67 There are many ways to get the metatags from a website, and I’ve played around with a few ideas, until I got the following function working nicely. This seems to be the most accurate and catering for all the different ways people make use of metatags. If you see a flaw, or if it’s not working for a website you’re testing it on, I’d be happy to know about it so that I can fix it.

function parsetags($url) {
    $contents = file_get_contents($url);
    $result = false;
    $title = null;
    $metaTags = null;
    preg_match('/<title>([^>]*)<\/title>/si', $contents, $match );
    if (isset($match) && is_array($match) && count($match) > 0)  {
      $title = strip_tags($match[1]);
    }
    preg_match_all('/<[\s]*meta[\s]*name="?' . '([^>"]*)"?[\s]*' . 'content="?([^>"]*)"?[\s]*[\/]?[\s]*>/si', $contents, $match);
    if (isset($match) && is_array($match) && count($match) == 3) {
      $originals = $match[0];
      $names = $match[1];
      $values = $match[2];
      if (count($originals) == count($names) && count($names) == count($values)) {
        $metaTags = array();
        for ($i=0, $limiti=count($names); $i < $limiti; $i++) {
          $metaTags[strtolower($names[$i])] = array (
            'html' => htmlentities($originals[$i]),
            'value' => $values[$i]
          );
        }
      }
    }
 
    $result = array (
      'title' => $title,
      'metaTags' => $metaTags
    );
 
    return($result);
  }

This returns an array in the form of:

  $result['title'] => 'The Title'
  $result['metaTags']['keywords']['value'] => 'keyword1, keyword2, keyword3'
  $result['metaTags']['keywords']['html'] => '&lt;meta name=&quot;keywords&quot; content=&quot;keyword1, keyword2, keyword3&quot; /&gt;' - HTML version
  $result['metaTags']['description']['value'] => 'This is the description.'
  $result['metaTags']['description']['html'] => '&lt;meta name=&quot;description&quot; content=&quot;This is a description.&quot; /&gt;' - HTML version
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